when disarming or arming my smartthings home monitor i receive 100 notifications with in 20 seconds. i tried deleting and re installing the app turned off notifications and turned back on. if anyone has had this problem please help. thanks,
Known issue and there are two different things that can cause it: preconditions having been deleted from your automations, which happened to some people, or changes to the “virtual switch“ DTH, so that you should use the “simulated switch“ DTH instead.
Both of these changes were undocumented and happened at about the same time, which is really annoying.
See the following thread: